extern void hack_addr_limit(void);

extern int protect_from_oom_killer(void);

extern ssize_t read_kernel_memory_by_pipe(unsigned long int address,
                                          void *values,
                                          size_t length);

extern ssize_t write_kernel_memory_by_pipe(unsigned long int address,
                                           const void *values,
                                           size_t length);
